4.7
(24)
375
hikers
3
hikes
Dog friendly hiking trails in Unger County Park traverse a landscape characterized by significant floodplain woodland, offering a glimpse into the Lower Meramec Valley's natural history. The park features a 20-acre lake and borders the Meramec River, providing diverse natural habitats. Hikers can explore a mix of paved and unpaved trails, winding through areas with diverse tree canopies including pecan, swamp white oak, and burr oak. The terrain generally presents gentle elevation changes, making it accessible for various activity levels.
…Last updated: November 6, 2026
3
hikers
Easy hike. Easily walkable paths.
2.18km
00:33
10m
10m
The Simpson Park Blue Heron Trail offers a wonderfully accessible and scenic experience, perfect for a quick escape into nature. This easy 1.4-mile (2.2 km) paved loop, with a minimal…

7
hikers
Moderate hike. Good fitness required. Easily walkable paths.
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The Meramec Greenway Trail is a scenic route that connects riders to the Meramec River and many parks in the region as it winds along the river and limestone bluffs through woodlands and several communities.
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Simpson Park Lake is a refreshing oasis in the Valley Park area that offers a perfect location for a run. It features a fully paved, multi-use trail that runs on the southern edge of the lake and has parking areas, picnic shelters and is a stones throw away from the Meramec River.
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Henry L. Simpson Park, also known as Simpson Park, is a 148-acre park with a 78-acre lake. This park has paved multi-use trails, a playground, picnic shelters, and sports fields.
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The Meramec Greenway Trail is a scenic route that connects riders to the Meramec River and many parks in the region as it winds along the river and limestone bluffs through woodlands and several communities.
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Unger County Park offers a selection of three dog-friendly hiking trails, ranging from easy strolls to more moderate adventures. These routes are perfect for exploring the park's natural beauty with your canine companion.
The park features a mix of terrain. You'll find a one-mile paved trail suitable for easy walks, which runs parallel to the Meramec River. Additionally, there are narrow, more exploratory dirt trails within the park's floodplain woodland. The longer routes often connect to the broader Meramec River Greenway, offering varied surfaces.
Yes, there are two easy dog-friendly hikes. The Simpson Park Lake – Henry L. Simpson Park loop from Museum of Transportation is an easy 3.6 km route, and the Simpson Park Blue Heron Trail offers an even shorter, easy 2.1 km walk, both perfect for a relaxed outing with your dog.
For a longer adventure, consider the Henry L. Simpson Park – Meramec Greenway Trail loop from Valley Park. This moderate 10.3 km route allows you and your dog to explore a significant portion of the Meramec Greenway, offering a more extended hiking experience.
Yes, both the Simpson Park Lake – Henry L. Simpson Park loop from Museum of Transportation and the Henry L. Simpson Park – Meramec Greenway Trail loop from Valley Park are designed as loops, providing convenient circular routes for you and your dog.
Unger County Park is home to a beautiful floodplain woodland with diverse trees like pecan, swamp white oak, and burr oak. You might even spot one of Missouri's largest river birch trees. The trails also offer views of a 20-acre lake and the Meramec River, with wetlands that attract various wildlife.
Absolutely. The park's paved trail and easy dirt paths make it very family-friendly. The relatively flat terrain and scenic views of the lake and river provide an enjoyable experience for both children and dogs. The shorter routes, like the Simpson Park Blue Heron Trail, are particularly well-suited for families.
The dog-friendly trails in Unger County Park are highly regarded by the komoot community, with an average rating of 4.8 out of 5 stars from 24 reviews. Hikers often praise the quiet, secluded atmosphere, the scenic lake views, and the opportunity to walk alongside the Meramec River.
While dogs are permitted on trails in Unger County Park, it's generally recommended to keep them on a leash to ensure the safety of your pet, other visitors, and local wildlife. Always check local park regulations for specific leash requirements.
Unger County Park offers a reservable picnic shelter, which can be a great spot for a break with your dog. While specific dog-friendly facilities like waste stations might vary, general park amenities are available. It's always a good idea to bring your own waste bags and water for your dog.
Unger County Park can be enjoyed year-round. Spring and fall offer pleasant temperatures and beautiful foliage, making them ideal for hiking. Summer can be warm, so early mornings or late afternoons are best. Winter hikes can be serene, but be mindful of trail conditions, especially on unpaved sections.


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